The depth and widths of a rectangular channel are 2m and 5m respectively, calculate the discharge of water through the channel if the bed slope is 1 in 500 and Chezy’s constant being 60.

The ratio between normal discharge and maximum discharge through a rectangular channel is 32:6, calculate the depth of the channel if the width of the channel is 4m and bed slope, chezy’s constant remains same.

A

1m

B

2m

C

3m

D

4m

The discharge through a trapezoidal channel is 61 m3/s and the depth and widths of the channel are 4m and 5m respectively. The wetted perimeter of the channel is 13.16m, calculate the bed slope of the channel if the value of C is 45.

A

1 in 500

B

1 in 1000

C

1 in 1500

D

1 in 2000

According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed)

A

A × √(m × i)

B

C × √(m × i)

C

AC × √(m × i)

D

mi × √(A × C)

According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth and i = Uniform slope in bed)

A

$${\text{A}}\sqrt {{\text{m}} \times {\text{i}}} $$

B

$${\text{C}}\sqrt {{\text{m}} \times {\text{i}}} $$

C

$${\text{AC}}\sqrt {{\text{m}} \times {\text{i}}} $$

D

$${\text{mi}}\sqrt {{\text{A}} \times {\text{C}}} $$

The discharge of water through a trapezoidal channel is 1.5 m3/s, the base width of the channel is 7m, the depth is 2m and the side slope is 1H:3V. Bed slope is 1 in 2000, determine the value of the Chezy’s constant.

A

50

B

55

C

60

D

65

The value of slope of energy line of a wide rectangular channel is 3×10-4 and the bed slope of the channel is 1 in 1500 using chezy’s equation, calculate the uniform flow depth if the depth during GVF is 2m.

A

1.61m

B

2.61m

C

3.61m

D

4.61m

Determine the value of manning’s constant for a rectangular channel if Chezy’s constant is equal to 50 and the depth and widths of the channel are 4m and 7m respectively.

A

0.012

B

0.022

C

0.032

D

0.042

The discharge through a rectangular channel is 16.62 m3/s and the wetted area is equal to 12m2. The width of the channel is 6m and the bed slope is 1 in 1000, calculate the value of the Chezy’s constant.

A

35

B

40

C

45

D

50

The base width and the depth of a trapezoidal channel is 9m and 5m respectively. Calculate the discharge through a channel if the side slope of the channel is 1H:4V and the bed slope is 1 in 500. (n=0.04)

A

109.73m3⁄s

B

110.73m3⁄s

C

111.73m3⁄s

D

112.73m3⁄s

Calculate the discharge through a channel having a bed slope 1 in 1000, area 12m2, hydraulic radius of 1.2m and Chezy’s constant being equal to 50.

A

17.98 m3/s

B

18.98 m3/s

C

19.98 m3/s

D

20.98 m3/s

The depth and widths of a rectangular channel are 2m and 5m respectively, calculate the discharge of water through the channel if the bed slope is 1 in 500 and Chezy’s constant being 60.

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